/* 
 * Copyright (C) 2008 Sasa Coh <sasacoh@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 * 
 * @see http://sipekphone.googlepages.com/pjsipwrapper
 * @see http://voipengine.googlepages.com/
 * 
 */

using System;
using System.Collections.Generic;
using System.Text;

namespace Sipek.Common
{

  /// <summary>
  /// Tone modes
  /// </summary>
  public enum ETones : int
  {
    EToneDial = 0,
    EToneCongestion,
    EToneRingback,
    EToneRing,
  }

  /// <summary>
  /// Media proxy interface for playing tones (todo recording)
  /// </summary>
  public interface IMediaProxyInterface
  {
    /// <summary>
    /// Play give tone 
    /// </summary>
    /// <param name="toneId">tone identification</param>
    /// <returns></returns>
    int playTone(ETones toneId);

    /// <summary>
    /// Stop tone
    /// </summary>
    /// <returns></returns>
    int stopTone();
  }

  #region Null Pattern

  internal class NullMediaProxy : IMediaProxyInterface
  {
    #region IMediaProxyInterface Members

    public int playTone(ETones toneId)
    {
      return 1;
    }

    public int stopTone()
    {
      return 1;
    }
    #endregion
  }  
  #endregion


}
